kmwquota.cpp

/*
 *  This file is part of the KDE libraries
 *  Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License version 2 as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 **/
 
#include <config.h>
 
#include "kmwquota.h"
#include "kmwizard.h"
#include "kmprinter.h"
 
#include <tqspinbox.h>
#include <tqlabel.h>
#include <tqcombobox.h>
#include <tqlayout.h>
#include <tdelocale.h>
 
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
 
#define N_TIME_LIMITS   6
static int time_periods[] = {
    1,      // second
    60,     // minute
    3600,       // hour
    86400,      // day
    604800,     // week
    2592000     // month (30 days)
};
static const char* time_keywords[] = {
    I18N_NOOP("second(s)"),
    I18N_NOOP("minute(s)"),
    I18N_NOOP("hour(s)"),
    I18N_NOOP("day(s)"),
    I18N_NOOP("week(s)"),
    I18N_NOOP("month(s)")
};
 
int findUnit(int& period)
{
    int unit(0);
    for (int i=N_TIME_LIMITS-1;i>=0;i--)
    {
        if (period < time_periods[i])
            continue;
        int d = period / time_periods[i];
        if ((d*time_periods[i]) == period)
        {
            unit = i;
            break;
        }
    }
    period /= time_periods[unit];
    return unit;
}
 
const char* unitKeyword(int i)
{ return time_keywords[i]; }
 
KMWQuota::KMWQuota(TQWidget *parent, const char *name)
: KMWizardPage(parent, name)
{
    m_ID = KMWizard::Custom+3;
    m_title = i18n("Printer Quota Settings");
    m_nextpage = KMWizard::Custom+4;
 
    m_period = new TQSpinBox(this);
    m_period->setRange(-1, INT_MAX);
    m_period->setSpecialValueText(i18n("No quota"));
    m_sizelimit = new TQSpinBox(this);
    m_sizelimit->setRange(0, INT_MAX);
    m_sizelimit->setSpecialValueText(i18n("None"));
    m_pagelimit = new TQSpinBox(this);
    m_pagelimit->setRange(0, INT_MAX);
    m_pagelimit->setSpecialValueText(i18n("None"));
    m_timeunit = new TQComboBox(this);
    for (int i=0;i<N_TIME_LIMITS;i++)
        m_timeunit->insertItem(i18n(time_keywords[i]));
    m_timeunit->setCurrentItem(3);
 
    TQLabel *lab1 = new TQLabel(i18n("&Period:"), this);
    TQLabel *lab2 = new TQLabel(i18n("&Size limit (KB):"), this);
    TQLabel *lab3 = new TQLabel(i18n("&Page limit:"), this);
 
    lab1->setBuddy(m_period);
    lab2->setBuddy(m_sizelimit);
    lab3->setBuddy(m_pagelimit);
 
    TQLabel *lab4 = new TQLabel(i18n("<p>Set here the quota for this printer. Using limits of <b>0</b> means "
                    "that no quota will be used. This is equivalent to set quota period to "
                    "<b><nobr>No quota</nobr></b> (-1). Quota limits are defined on a per-user base and "
                    "applied to all users.</p>"), this);
 
    TQGridLayout    *l0 = new TQGridLayout(this, 5, 3, 0, 10);
    l0->setRowStretch(4, 1);
    l0->setColStretch(1, 1);
    l0->addMultiCellWidget(lab4, 0, 0, 0, 2);
    l0->addWidget(lab1, 1, 0);
    l0->addWidget(lab2, 2, 0);
    l0->addWidget(lab3, 3, 0);
    l0->addWidget(m_period, 1, 1);
    l0->addWidget(m_timeunit, 1, 2);
    l0->addMultiCellWidget(m_sizelimit, 2, 2, 1, 2);
    l0->addMultiCellWidget(m_pagelimit, 3, 3, 1, 2);
}
 
KMWQuota::~KMWQuota()
{
}
 
bool KMWQuota::isValid(TQString& msg)
{
    if (m_period->value() >= 0 && m_sizelimit->value() == 0 && m_pagelimit->value() == 0)
    {
        msg = i18n("You must specify at least one quota limit.");
        return false;
    }
    return true;
}
 
void KMWQuota::initPrinter(KMPrinter *p)
{
    int qu(-1), si(0), pa(0), un(3);
    qu = p->option("job-quota-period").toInt();
    si = p->option("job-k-limit").toInt();
    pa = p->option("job-page-limit").toInt();
    if (si == 0 && pa == 0)
        // no quota
        qu = -1;
    m_sizelimit->setValue(si);
    m_pagelimit->setValue(pa);
    if (qu > 0)
    {
        un = findUnit(qu);
    }
    m_timeunit->setCurrentItem(un);
    m_period->setValue(qu);
}
 
void KMWQuota::updatePrinter(KMPrinter *p)
{
    int qu(m_period->value()), si(m_sizelimit->value()), pa(m_pagelimit->value());
    if (qu == -1)
    {
        // no quota, set limits to 0
        si = 0;
        pa = 0;
        qu = 0;
    }
    qu *= time_periods[m_timeunit->currentItem()];
 
    p->setOption("job-quota-period", TQString::number(qu));
    p->setOption("job-k-limit", TQString::number(si));
    p->setOption("job-page-limit", TQString::number(pa));
}
#include "kmwquota.moc"